Finding the Fourth Proportional to 117,984,101.09, 162,809,745.41 and 65,770,827.17
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Solution
The fourth proportional to 117,984,101.09, 162,809,745.41 and 65,770,827.17 is: 90,759,106.76
Step by Step Solution
- Step 1: Write the proportion equation
117,984,101.09 : 162,809,745.41 = 65,770,827.17 : x - Step 2: Convert to fraction form
117,984,101.09/162,809,745.41 = 65,770,827.17/x - Step 3: Cross multiply
117,984,101.09x = 162,809,745.41 × 65,770,827.17 - Step 4: Simplify right side
117,984,101.09x = 10,708,131,626,623,958 - Step 5: Solve for x
x = 10,708,131,626,623,958/117,984,101.09 - Step 6: Final answer
x = 90,759,106.76
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.